146392513 has 4 divisors (see below), whose sum is σ = 146431188. Its totient is φ = 146353840.

The previous prime is 146392507. The next prime is 146392541. The reversal of 146392513 is 315293641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 315293641 = 13 ⋅24253357.

It can be written as a sum of positive squares in 2 ways, for example, as 85988529 + 60403984 = 9273^2 + 7772^2 .

It is a cyclic number.

It is not a de Polignac number, because 146392513 - 2⁵ = 146392481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146392553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12958 + ... + 21463.

It is an arithmetic number, because the mean of its divisors is an integer number (36607797).

Almost surely, 2^146392513 is an apocalyptic number.

It is an amenable number.

146392513 is a deficient number, since it is larger than the sum of its proper divisors (38675).

146392513 is an equidigital number, since it uses as much as digits as its factorization.

146392513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38674.

The product of its digits is 19440, while the sum is 34.

The square root of 146392513 is about 12099.2773751163. The cubic root of 146392513 is about 527.0351998304.

The spelling of 146392513 in words is "one hundred forty-six million, three hundred ninety-two thousand, five hundred thirteen".